consul/lib/stringslice/stringslice_test.go

66 lines
1.8 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package stringslice
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestContains(t *testing.T) {
l := []string{"a", "b", "c"}
if !Contains(l, "b") {
t.Fatalf("should contain")
}
if Contains(l, "d") {
t.Fatalf("should not contain")
}
}
func TestEqual(t *testing.T) {
for _, tc := range []struct {
a, b []string
equal bool
}{
{nil, nil, true},
{nil, []string{}, true},
{[]string{}, []string{}, true},
{[]string{"a"}, []string{"a"}, true},
{[]string{}, []string{"a"}, false},
{[]string{"a"}, []string{"a", "b"}, false},
{[]string{"a", "b"}, []string{"a", "b"}, true},
{[]string{"a", "b"}, []string{"b", "a"}, false},
} {
name := fmt.Sprintf("%#v =?= %#v", tc.a, tc.b)
t.Run(name, func(t *testing.T) {
require.Equal(t, tc.equal, Equal(tc.a, tc.b))
require.Equal(t, tc.equal, Equal(tc.b, tc.a))
})
}
}
func TestMergeSorted(t *testing.T) {
for name, tc := range map[string]struct {
a, b []string
expect []string
}{
"nil": {nil, nil, nil},
"empty": {[]string{}, []string{}, nil},
"one and none": {[]string{"foo"}, []string{}, []string{"foo"}},
"one and one dupe": {[]string{"foo"}, []string{"foo"}, []string{"foo"}},
"one and one": {[]string{"foo"}, []string{"bar"}, []string{"bar", "foo"}},
"two and one": {[]string{"baz", "foo"}, []string{"bar"}, []string{"bar", "baz", "foo"}},
"two and two": {[]string{"baz", "foo"}, []string{"bar", "egg"}, []string{"bar", "baz", "egg", "foo"}},
"two and two dupe": {[]string{"bar", "foo"}, []string{"bar", "egg"}, []string{"bar", "egg", "foo"}},
} {
tc := tc
t.Run(name, func(t *testing.T) {
require.Equal(t, tc.expect, MergeSorted(tc.a, tc.b))
require.Equal(t, tc.expect, MergeSorted(tc.b, tc.a))
})
}
}